.hed {
  width: 100%;
  height: 350px;
  background: dodgerblue;
}
.box {
  margin-top: 30px;
  width: 100%;
  height: 307px;
}
.box .box_dta {
  width: 364px;
  height: 300px;
  box-shadow: 0px 0px 3px 0px rgba(0, 0, 0, 0.18);
}
.box .box_dta .box_man {
  width: 306px;
  height: 252px;
}
.box .box_dta .box_man canvas {
  width: 336px !important;
  height: 292px !important;
}
